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Patent # Description
US-9,509,389 Method and apparatus for transmitting channel state information in wireless communication system
Disclosed are a method and an apparatus for transmitting channel state information (CSI) of a user equipment, which is allocated a plurality of serving cells,...
US-9,509,388 Method and apparatus for channel information feedback in a wireless communication system
Provided are a method and apparatus for channel information feedback in a wireless communication system. A terminal may receive CSI-RS configuration information...
US-9,509,387 Node in a wireless communication system where antenna beams match the sector width
The present invention relates to a node in a wireless communication system (W), the node comprises an antenna arrangement with at least three physical antenna...
US-9,509,386 Radio and antenna selection method for radio
A radio that calculates an SINR on a basis of received preamble information received by an antenna and corresponding preamble information stored in advance...
US-9,509,385 Apparatus and method for digital beam-forming with low-resolution quantization
An antenna arrangement configured for digital beam-forming of a transmit signal comprising; a number N>1 of digital to analog converters, DACs, each of the N...
US-9,509,384 System and method for mapping symbols for MIMO transmission
Methods and devices are provided for MIMO OFDM transmitter and receivers having odd and/even numbers of transmit antennas. Various methods for pre-coding...
US-9,509,383 Method and apparatus for transmitting channel state information in wireless communication system
The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a...
US-9,509,382 Beamforming to a subset of receive antennas in a wireless MIMO communication system
In a method for determining a transmit steering matrix for use in transmission of an information signal from a first communication device to at least one second...
US-9,509,381 Apparatus and method of blind detection of interference rank information in wireless communication system
A method is provided. The method includes receiving a signal, wherein the signal includes a serving signal and an interference signal; removing the serving...
US-9,509,380 Methods for opportunistic multi-user beamforming in collaborative MIMO-SDMA
A system and method for opportunistically designing collaborative beamforming vectors is disclosed for a wireless multiple input, multiple output (MIMO) space...
US-9,509,379 System and method for designing and using multidimensional constellations
A method for generating a codebook includes applying a unitary rotation to a baseline multidimensional constellation to produce a multidimensional mother...
US-9,509,378 Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing...
A method and apparatus for optimizing the system capacity of an Orthogonal Frequency Division Multiplexing (OFDM) system that uses with Multiple-Input...
US-9,509,377 Method and apparatus for rank adaptation in an orthogonal frequency division multiplexing communication system
A communication system provides for adaptive rank determination, for example, a rank 2 transmission in instances where a rank 1 transmission may be indicated...
US-9,509,376 Information handling system with multi-purpose NFC antenna
A server information handling system baseboard management controller (BMC) includes an NFC transceiver that communicates NFC signals through an NFC antenna...
US-9,509,375 Wireless transceiver circuit with reduced area
A wireless power transmission/reception system includes a wireless power transmission circuit and a wireless power reception circuit. The wireless power...
US-9,509,374 Wireless power transmission apparatus and transmission method thereof
Disclosed herein are a wireless power transmission apparatus and a transmission method thereof. The wireless power transmission apparatus is configured to...
US-9,509,373 Method for a contactless communication between two NFC devices with impact reduction of an external noise emission
A system can be used for contactless communication of information between a first device and a second device, each having an antenna intended to be coupled via...
US-9,509,372 Bus communication device
A bus communication device (10) includes a bus line (12), a master computer (11) connected to the bus line (12) and several subscriber units (14) connected to...
US-9,509,371 Method and apparatus for power line communications distortion compensation
A method and apparatus for harmonic distortion compensation in power line communications. In one embodiment, the method comprises analyzing a waveform generated...
US-9,509,370 Optical transmission system and optical transmission device
An optical transmission system includes: a first optical transmission device configured to perform bidirectional optical transmission with a second optical...
US-9,509,369 Systems and methods for adjusting signaling properties based on cable attributes
This is generally directed to adjusting signaling properties based on cable attributes. In some embodiments, the cable attributes can include information such...
US-9,509,368 Method and device for determining a parameter that characterizes a number of spare positions to be used for...
The method and a device determine a parameter that characterizes a number of spare positions to be used for cancelling the crosstalk of lines joining a digital...
US-9,509,367 Method and apparatus for channel mitigation using per-tone spreading in single carrier block transmissions
A method of per-tone spreading in single carrier block transmissions, includes generating a block of modulated symbols, and performing the per-tone spreading on...
US-9,509,366 Interference estimation circuit and method
The present application provides an interference estimation circuit which includes a signal generator, a first symbol extractor and a first mixer. The signal...
US-9,509,365 Digital suppression of transmitter intermodulation in receiver
Systems and methods for suppressing transmitter noise in a receive band of a co-located receiver that are suitable for wideband applications are disclosed. In...
US-9,509,364 Integrated antenna unit with field replaceable frequency specific devices
An integrated antenna unit, including an extra-wideband antenna, a docking station, and an integrated, field replaceable remote radio unit that electrically...
US-9,509,363 Circuits having switches providing increased voltage swing uniformity
Circuits are disclosed providing uniform voltage swing across transmit switches for improved device performance. An integrated circuit (IC) formed on a die...
US-9,509,362 Method and apparatus for handling modified constellation mapping using a soft demapper
A transceiver processing hardware ("TPH") configured to process wireless bit stream(s) includes a minimum mean square error ("MMSE"), an inverse discrete...
US-9,509,361 Camera-based accessory classification
A method for using an accessory with a mobile device is disclosed. The method includes: causing at least one camera of the mobile device to capture one or more...
US-9,509,360 Electronic device and method of transmitting data between electronic device and flip cover thereof
An electronic device includes a flip cover connected thereto. The electronic device includes a first display. The flip cover includes: a first surface that...
US-9,509,359 Mobile terminal device
A mobile terminal device (1) according to the present invention includes a housing (11) and a display panel (14). The housing (11) includes a housing body (111)...
US-9,509,358 Behavior adaptive battery control system for mobile device case
A mobile electronic device automatically receives an electrical charge from a proximate case that is equipped with a backup battery for the mobile device. The...
US-9,509,357 Removable vehicular rooftop communication system
A vehicular rooftop communication system (200) provides communication electronics (216) within a housing (210) formed of a removable rooftop enclosure (212) and...
US-9,509,356 Mobile unit having internet protocol functionality
A mobile unit includes a handset and a removable storage module having a unique storage module identity, for storing information specific to a user, including...
US-9,509,355 Calibration of quadrature imbalance via loopback phase shifts
Apparatuses, systems, and methods for calibration of quadrature imbalance in direct conversion transceivers are contemplated. A transceiver controller may...
US-9,509,354 Homodyne receiver with improved linearity
A homodyne receiver (100, 200, 300), comprising a first mixer (115, 215, 315) with an RF input port (105, 213, 313) and an LO input port (110, 214, 314) for an...
US-9,509,353 Data processing device
One example discloses a data processing device, comprising: a local oscillator (LO) having an LO frequency output, an LO performance parameter output, and an LO...
US-9,509,352 Phase-noise cancellation apparatus and method
A noise cancellation method comprises receiving, by an adaptive phase-noise cancellation apparatus, a noise-corrupted symbol from a receiver, performing a hard...
US-9,509,351 Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
A method includes providing a highly linear front end in a Radio Frequency (RF) receiver, implementing a high Effective Number of Bits (ENOB) Analog to Digital...
US-9,509,350 Devices and methods for adaptive crest factor reduction in dynamic predistortion
A non-linear pre-distortion engine maintaining constant peak power at its output is disclosed. The engine includes a compression estimator, a crest factor...
US-9,509,348 Transmitter efficiency optimization
Radio transceiver efficiency is improved by operations involving a calibration mode and an operating mode. The calibration mode includes a first calibration to...
US-9,509,347 Antenna driver with scalable output impedance
A system includes an antenna, a modulator, and a controller. The modulator may be operatively connected to the antenna. The modulator may be configured to send,...
US-9,509,346 Circuit and method for a circuit
A circuit comprises a transmitter to provide a transmit signal. The circuit also comprises a coupler element to receive the transmit signal at an input port, to...
US-9,509,345 RF transmitter for electrically short antenna
An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy...
US-9,509,344 Communication method based on bi-level binary digital baseband symbols
The invention discloses a communication method using dual-level and binary digital baseband symbols which represents information by durations of a high level...
US-9,509,343 Antenna switching system with adaptive switching criteria
Apparatuses may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver...
US-9,509,342 Error correcting code decoder
Apparatuses, systems, methods, and computer program products are disclosed for error correcting code (ECC) decoding. A soft information module may be configured...
US-9,509,341 Systems and methods for encoding and decoding of check-irregular non-systematic IRA codes
Systems and methods for encoding and decoding check-irregular non-systematic IRA codes of messages in any communication or electronic system where capacity...
US-9,509,340 Low-power low density parity check decoding
In an example implementation of this disclosure, a message passing low density parity check (LDPC) decoder may, during decoding of a first group of bits, lock a...
US-9,509,339 High speed data communication in a vehicle
A system and method is provided for the high-speed transfer of data within a vehicle. The method includes the steps of: receiving at a high-speed transmitter...
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